package com.huahua.dao;

import com.huahua.pojo.Department;
import com.huahua.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;

/**
 * @author zzuli_huahua
 * @version 1.0
 * @date 2021/5/27 13:03
 * 员工DAO
 */
@Repository
public class EmployeeDao {

    //模拟数据库中的数据
    private static HashMap<Integer, Employee> employees=null;

    @Autowired
    private DepartmentDao departmentDao;

    static {
        employees = new HashMap<Integer, Employee>(); //创建一个部门表

        employees.put(1001,new Employee(1001,"AA","A864123@qq.com",0,new Department(101,"教学部门")));
        employees.put(1002,new Employee(1002,"BB","B864123@qq.com",1,new Department(102,"市场部门")));
        employees.put(1003,new Employee(1003,"CC","C864123@qq.com",0,new Department(103,"教研部门")));
        employees.put(1004,new Employee(1004,"DD","D864123@qq.com",1,new Department(104,"运营部门")));
        employees.put(1005,new Employee(1005,"EE","E864123@qq.com",0,new Department(105,"后勤部门")));

    }

    //主键自增
    private static Integer initId = 1006;

    //增加一个员工
    public void  save(Employee employee){
        if(employee.getId()==null){
            employee.setId(initId++);
        }

        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));

        employees.put(employee.getId(),employee);
    }
    //th:href="@{/emp(id=${emp.id})}"     这个是正确的能跳进去各位同学，对象名(要传递的参数名=${对象名.参数})

    //查询一个员工的全部信息
    public Collection<Employee> getAll(){
        return employees.values();
    }

    //通过id查询员工
    public Employee getEmplpyeeById(Integer id){
        return employees.get(id);
    }

    public DepartmentDao getDepartmentDao() {
        return departmentDao;
    }

    public void setDepartmentDao(DepartmentDao departmentDao) {
        this.departmentDao = departmentDao;
    }
}
